From owner-freebsd-questions@FreeBSD.ORG Wed Oct 19 18:14:44 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C60B51065670 for ; Wed, 19 Oct 2011 18:14:44 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from asbnvacz-mailrelay01.megapath.net (asbnvacz-mailrelay01.megapath.net [207.145.128.243]) by mx1.freebsd.org (Postfix) with ESMTP id 7FEBF8FC1D for ; Wed, 19 Oct 2011 18:14:44 +0000 (UTC) Received: from mail8.sea5.speakeasy.net (mail8.sea5.speakeasy.net [69.17.117.53]) by asbnvacz-mailrelay01.megapath.net (Postfix) with ESMTP id B2C163C84C5 for ; Wed, 19 Oct 2011 14:14:43 -0400 (EDT) Received: (qmail 11076 invoked from network); 19 Oct 2011 18:14:43 -0000 Received: by simscan 1.4.0 ppid: 10430, pid: 15471, t: 0.1733s scanners: clamav: 0.88.2/m:52/d:13495 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail8.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 19 Oct 2011 18:14:42 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id BCF792E0DA; Wed, 19 Oct 2011 14:14:41 -0400 (EDT) From: Lowell Gilbert To: doug@safeport.com References: <44hb3588my.fsf@lowell-desk.lan> Date: Wed, 19 Oct 2011 14:14:41 -0400 In-Reply-To: (doug@safeport.com's message of "Wed, 19 Oct 2011 11:53:19 -0400 (EDT)") Message-ID: <44pqhsu9v2.fsf@be-well.ilk.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-questions@freebsd.org Subject: Re: multi-boot X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd-questions@freebsd.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Oct 2011 18:14:44 -0000 doug@safeport.com writes: > On Wed, 19 Oct 2011, Lowell Gilbert wrote: > >> doug@safeport.com writes: >> >>> I have a system with two physical disks with a version of FreeBSD >>> installed on each disk. With various 7.x systems I had: >>> >>> F1 disk1 on slices ads5x >>> F5 disk2 on slices ads6x >>> >>> I installed 8.2 on disk2, incorrectly saying leave the mbr alone. So >>> when I boot from the second disk I get >>> >>> F6 PXE >>> Boot: F1 >>> >>> I can then hit F1 or wait and all goes okay. I tried using sysinstall >>> to rewrite the FBSD boot manager but that not effect any change. Must >>> I rewrite the mbr on disk 1 also? >> >> That's what I would expect to have to do... > > Pre 8.2 the behavior the selected system just boot without the extra > message. I had a 7.0 and a 7.4 system installed. I replaced the 7.4 > system with 8,2 With the boot setup I understand the FreeBSD boot > manager would be on sector 0 track 0 of disk 1. The boot record for > disk 1 is in the first logical sector for the drive. The boot record > for disk 2 should be similarly placed on disk 2. > > What I think is missing is putting the boot manager on disk 2. If that > is the case, is there a way to do that without reinstalling? boot0cfg(8) from the system that does boot. Or boot in "rescue" mode from a CD (or other removable media) and use sysinstall.